Your ROOT_URL in app.ini is https://source.parasitstudio.de:63000/ but you are visiting https://source.parasitstudio.de/wirtz/AutoConnect/src/commit/b8b663d9277f78d2d6932bb2e3f9a0699b48fcf8/examples/HandlePortal
You should set ROOT_URL correctly, otherwise the web may not work correctly.